CTAN Comprehensive TeX Archive Network

CTAN up­date: dif­f­co­eff

Date: March 11, 2019 7:10:34 PM CET
An­drew Parsloe sub­mit­ted an up­date to the dif­f­co­eff pack­age. Ver­sion num­ber: 3.1 2019-03-10 Li­cense type: lp­pl1.3c Sum­mary de­scrip­tion: Write dif­fer­en­tial co­ef­fi­cients eas­ily and con­sis­tently An­nounce­ment text:
Ver­sion 3.1 dif­f­co­eff cor­rects a bug in the dif­fer­en­tial com­mand \dl. It can now be used be­fore forms like \vec{x}. This caused er­rors in ver­sion 3.
This pack­age is lo­cated at http://mir­ror.ctan.org/macros/la­tex/con­trib/dif­f­co­eff More in­for­ma­tion is at https://www.ctan.org/pkg/dif­f­co­eff
Thanks for the up­load. For the CTAN Team Man­fred Lotz We are sup­ported by the TeX user groups. Please join a users group; see http://www.tug.org/user­groups.html .

dif­f­co­eff – Write dif­fer­en­tial co­ef­fi­cients eas­ily and con­sis­tently

dif­f­co­eff.sty al­lows the easy and con­sis­tent writ­ing of or­di­nary, par­tial and other deriva­tives of ar­bi­trary (al­ge­braic or nu­meric) or­der. For mixed par­tial deriva­tives, the to­tal or­der of dif­fer­en­ti­a­tion is cal­cu­lated by the pack­age. Op­tional ar­gu­ments al­low spec­i­fi­ca­tion of points of eval­u­a­tion (or­di­nary deriva­tives), or vari­ables held con­stant (par­tial deriva­tives), and the place­ment of the dif­fer­en­tiand (nu­mer­a­tor or ap­pended).

The pack­age is built on xtem­plate, al­low­ing sys­tem­atic fine-tun­ing of the dis­play and gen­er­a­tion and use of vari­ant forms (like deriva­tives built from D, \Delta or \delta). A com­mand for dif­fer­en­tials en­sures the dx used in e.g. in­te­grals is con­sis­tent with the form used in deriva­tives.

The pack­age re­quires the 3 bun­dles l3k­er­nel and l3­pack­ages.

Pack­agedif­f­co­eff
Ver­sion3.1 2019-03-10
Copy­right2016–2019 An­drew Parsloe
Main­tainerAn­drew Parsloe

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